| 摘要 |
A display system includes a video source to supply a first video signal and a display apparatus to receive the first video signal and a second video signal from an external device to be displayed as a main picture and a sub picture, respectively, through a picture in picture (PIP) processing. The display system further includes a controller which changes display area characteristics of at least one of a display area of a program active window of the main picture and a display area of the sub picture to remove an overlap area between the display areas of the program active window and the sub picture. Thus, the display system effectively deals with the overlap area without a user's key manipulation when the overlap area is generated while performing a picture in picture (PIP) function, a display apparatus of the display system controls the overlap area, and a control method controls the video source and the display apparatus to remove or prevent the overlap area.
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